28155085

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{27739}}^1$

素因数の和:27780

約数の個数: 16

約数和(自身を含む): 39945600

約数和(自身を除く): 11790515

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 27739, 138695, 194173, 804431, 970865, 4022155, 5631017, 28155085]

約数ペア:

[(1, 28155085), (5, 5631017), (7, 4022155), (29, 970865), (35, 804431), (145, 194173), (203, 138695), (1015, 27739)]